203817280

素因数分解:

$2^6\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1663}}^1$

素因数の和:2063

約数の個数: 56

約数和(自身を含む): 486899712

約数和(自身を除く): 283082432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 383, 766, 1532, 1663, 1915, 3064, 3326, 3830, 6128, 6652, 7660, 8315, 12256, 13304, 15320, 16630, 24512, 26608, 30640, 33260, 53216, 61280, 66520, 106432, 122560, 133040, 266080, 532160, 636929, 1273858, 2547716, 3184645, 5095432, 6369290, 10190864, 12738580, 20381728, 25477160, 40763456, 50954320, 101908640, 203817280]

約数ペア:

[(1, 203817280), (2, 101908640), (4, 50954320), (5, 40763456), (8, 25477160), (10, 20381728), (16, 12738580), (20, 10190864), (32, 6369290), (40, 5095432), (64, 3184645), (80, 2547716), (160, 1273858), (320, 636929), (383, 532160), (766, 266080), (1532, 133040), (1663, 122560), (1915, 106432), (3064, 66520), (3326, 61280), (3830, 53216), (6128, 33260), (6652, 30640), (7660, 26608), (8315, 24512), (12256, 16630), (13304, 15320)]